#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <cmath>
#include <vector>
#include <algorithm>
#include <queue>

using namespace std;

int n, m, x, y, i, z, a[100005];

vector <int> v[100005];
vector <int>::iterator it;
queue <int> q;

int main()
{
    freopen("bfs.in", "r", stdin);
    freopen("bfs.out", "w", stdout);
    scanf("%d%d%d", &n, &m, &z);
    while(m--)
    {
        scanf("%d%d", &x, &y);
        v[x].push_back(y);
    }
    q.push(z);
    a[z]=1;
    while(!q.empty())
    {
        y=q.front();
        for(it=v[y].begin();it!=v[y].end();it++)
        {
            x=*it;
            if(a[x]==0)
            {
                a[x]=a[y]+1;
                q.push(x);
            }
        }
        q.pop();
    }
    for(i=1;i<=n;i++)
        if(a[i]==1<<30) printf("-1 ");
        else printf("%d ", a[i]-1);
    return 0;
}